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10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    Cards maked with number \[2,\,4,\,6,\,8,\,10\,........,\,50\] are placed in a bag and mixed thoroughly. One cards is then drawn. What is the probability that the card is marked with a prime number?

    A) \[\frac{1}{25}\]

    B) \[\frac{1}{50}\]

    C) \[\frac{1}{100}\]

    D) \[\frac{1}{10}\]

    Correct Answer: A

    Solution :

    [a] Number of favourable outcomes =1 as only 2 is the prime number.    
    Number of all possible outcomes = 25


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